Home / 3,062.12-4,225.78-1,664.88

Finding the Fourth Proportional to 3,062.12, 4,225.78 and 1,664.88

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Solution

The fourth proportional to 3,062.12, 4,225.78 and 1,664.88 is: 2,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.12 : 4,225.78 = 1,664.88 : x
  2. Step 2: Convert to fraction form
    3,062.12/4,225.78 = 1,664.88/x
  3. Step 3: Cross multiply
    3,062.12x = 4,225.78 × 1,664.88
  4. Step 4: Simplify right side
    3,062.12x = 7,035,416.61
  5. Step 5: Solve for x
    x = 7,035,416.61/3,062.12
  6. Step 6: Final answer
    x = 2,297.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.